{"product_id":"dinan-underdrive-pulley-kit-upto-may-08-m3-e9x","title":"Dinan Underdrive Accessory Drive Pulley Kit - BMW M3 E9X S65 V8 (E90 E92 E93) up to 05\/2008 - Reduced Drive Ratio, Lightweight","description":"\u003cdiv\u003e\n  \u003ch2\u003eDinan Accessory Drive Pulley Upgrade for BMW M3 E9x up to 05\/2008\u003c\/h2\u003e\n\n  \u003cp\u003e\n    Free up real, usable performance from the S65-powered M3 with Dinan’s precision-machined accessory drive pulley. By reducing the speed of the alternator, water pump and air conditioning compressor, the V8 spins up more eagerly for crisper throttle pick-up, cleaner mid-range pull and an all-round more engaging drive. Dinan validated this hardware in hot-climate testing for confidence on both fast road and track days.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    Crafted from CNC-machined 6061 aluminium and finished in a durable black anodise, this pulley keeps the original crankshaft damper untouched, preserving OE smoothness while delivering that sharper response you want. A clever, safe, bolt-on upgrade for anyone chasing extra urgency without compromising reliability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey reasons enthusiasts choose this Dinan pulley\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eFrees up power by reducing accessory drag for a more eager-revving S65\u003c\/li\u003e\n    \u003cli\u003eQuicker throttle reaction and improved in-gear acceleration feel\u003c\/li\u003e\n    \u003cli\u003eHeat-tested for dependable performance in demanding conditions\u003c\/li\u003e\n    \u003cli\u003e6061 aluminium construction with corrosion-resistant black anodised finish\u003c\/li\u003e\n    \u003cli\u003eRetains the factory crank damper for OEM refinement and longevity\u003c\/li\u003e\n    \u003cli\u003eDrops in as a straightforward hardware upgrade with premium Dinan engineering\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFitment\u003c\/h3\u003e\n  \u003cp\u003eCompatible with BMW M3 V8 on the E9x platform built up to May 2008:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eE90 M3 Saloon\u003c\/li\u003e\n    \u003cli\u003eE92 M3 Coupe\u003c\/li\u003e\n    \u003cli\u003eE93 M3 Convertible\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\n    Please confirm your build date or VIN. If your car is later than 05\/2008, contact us for guidance before ordering.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eWhat you can expect\u003c\/h3\u003e\n  \u003cp\u003e\n    We’ve run this pulley on our own cars and customer vehicles with excellent feedback. Owners consistently report a freer-spinning engine, stronger mid-range and a more responsive drive, all while maintaining daily usability.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eInstallation\u003c\/h3\u003e\n  \u003cp\u003e\n    Professional fitting recommended. Book installation with MJ Modifications in Warwickshire. Request a quote at \n    \u003ca href=\"mailto:info@mjmodifications.co.uk\"\u003einfo@mjmodifications.co.uk\u003c\/a\u003e.\n  \u003c\/p\u003e\n\n  \u003ch3\u003ePopular search phrases\u003c\/h3\u003e\n  \u003cp\u003e\n    BMW M3 V8 pulley upgrade, E9x S65 crankshaft pulley swap, BMW M3 serpentine drive pulley kit, reduced drive accessory pulley, S65 engine pulley conversion UK, performance pulley for M3 V8, lightweight front pulley BMW, E90 E92 E93 V8 tuning parts, engine accessory ratio kit, free horsepower mod BMW M3, response upgrade S65, track day friendly pulley M3, UK BMW specialist performance parts, crank drive wheel upgrade, Dinan performance hardware for M3 V8.\n  \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Performance M","offers":[{"title":"Default Title","offer_id":55975221002626,"sku":"7ljix9f75g","price":435.15,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/5445\/8937\/files\/D560-0004__27023.1535040867.png?v=1763320869","url":"https:\/\/mjmodifications.co.uk\/products\/dinan-underdrive-pulley-kit-upto-may-08-m3-e9x","provider":"MJ Modifications","version":"1.0","type":"link"}